20407914

素因数分解:

$2^1\times 3^2\times {\mathrm{41}}^1\times {\mathrm{27653}}^1$

素因数の和:27702

約数の個数: 24

約数和(自身を含む): 45297252

約数和(自身を除く): 24889338

約数列:

[1, 2, 3, 6, 9, 18, 41, 82, 123, 246, 369, 738, 27653, 55306, 82959, 165918, 248877, 497754, 1133773, 2267546, 3401319, 6802638, 10203957, 20407914]

約数ペア:

[(1, 20407914), (2, 10203957), (3, 6802638), (6, 3401319), (9, 2267546), (18, 1133773), (41, 497754), (82, 248877), (123, 165918), (246, 82959), (369, 55306), (738, 27653)]